Abstract
This paper introduces a component of the radio frequency transceiver called the mixer. Mixers are found in almost all the communication systems at the front end. Radio frequency mixing is a key process within the RF technology and RF design. It is a nonlinear process that involves one signal level affecting the other signal levels at the output side instantaneously. The mixer design has the following design parameters Conversion gain, Linearity, Noise Figure, and port isolation. It is important to have better isolation between the ports as it is the measure of leakage or feedthrough from one port to another. Poor isolation leads to mixing of unwanted dripped signal with desired output signal creating inter-modulation products and adding distortion. The proposed Gilbert mixer is intended to produce IF frequency range of 1 MHz in UMC180 nm CMOS technology with a conversion gain of 8 dB, Noise figure of >10 dB, RF frequency range 5.001 GHz, reverse isolation >15 dB, and a stability factor of 1 at a low operating voltage of 1.8 V using a double-balanced topology. The mixer being designed provides a better isolation factor between the ports with less power dissipation of <10 mW.
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Shraddha, B.H., Iyer, N.C. (2019). An Active Mixer Design For Down Conversion in 180 nm CMOS Technology for RFIC Applications. In: Shetty, N., Patnaik, L., Nagaraj, H., Hamsavath, P., Nalini, N. (eds) Emerging Research in Computing, Information, Communication and Applications. Advances in Intelligent Systems and Computing, vol 882. Springer, Singapore. https://doi.org/10.1007/978-981-13-5953-8_50
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DOI: https://doi.org/10.1007/978-981-13-5953-8_50
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